div {
	float: left;
	margin: 3px;
}

#d1 {
	background-image: url(../img/bg1.png);
	background-repeat: no-repeat;
	width: 130px;
	height: 100px;
}

#d2 {
	background-image: url(../img/bg2.png);
	background-repeat: no-repeat;
	width: 130px;
	height: 100px;
}

#d3 {
	background-image: url(../img/bg3.png);
	background-repeat: no-repeat;
	width: 130px;
	height: 100px;
}

#d4 {
	background-image: url(../img/bg4.png);
	background-repeat: no-repeat;
	width: 130px;
	height: 100px;
}

a {
	display: inline-block;
	/* 转换为行内元素 */
	line-height: 45px;
	vertical-align: middle;
	padding-left: 28px;
	color: white;
	text-decoration: none;
}

a:hover {

	background-color: red;
	width: 92px;
	height: 50px;
	display: inline-block;
	color: black;
}